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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "SkBlurMask.h"
#include "SkBlurMaskFilter.h"
#include "SkCanvas.h"
#include "SkPaint.h"
#include "SkString.h"
class BlurCirclesGM : public skiagm::GM {
public:
BlurCirclesGM()
: fName("blurcircles") {
}
protected:
virtual uint32_t onGetFlags() const SK_OVERRIDE {
return kSkipTiled_Flag;
}
virtual SkString onShortName() SK_OVERRIDE {
return fName;
}
virtual SkISize onISize() SK_OVERRIDE {
return SkISize::Make(950, 950);
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
canvas->scale(1.5f, 1.5f);
canvas->translate(50,50);
const float blurRadii[] = { 1,5,10,20 };
const int circleRadii[] = { 5,10,25,50 };
for (size_t i = 0; i < SK_ARRAY_COUNT(blurRadii); ++i) {
SkAutoCanvasRestore autoRestore(canvas, true);
canvas->translate(0, SkIntToScalar(150*i));
for (size_t j = 0; j < SK_ARRAY_COUNT(circleRadii); ++j) {
SkMaskFilter* filter = SkBlurMaskFilter::Create(
kNormal_SkBlurStyle,
SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(blurRadii[i])),
SkBlurMaskFilter::kHighQuality_BlurFlag);
SkPaint paint;
paint.setColor(SK_ColorBLACK);
paint.setMaskFilter(filter)->unref();
canvas->drawCircle(SkIntToScalar(50),SkIntToScalar(50),SkIntToScalar(circleRadii[j]),paint);
canvas->translate(SkIntToScalar(150), 0);
}
}
}
private:
const SkString fName;
typedef skiagm::GM INHERITED;
};
DEF_GM(return new BlurCirclesGM();)
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